Free-radical-initiated crosslinking of polymers

Details Free-radical-initiated crosslinking of polymers Free-radical-initiated crosslinking of polymers

C - Chemistry, Metallurgy

08

L

C08L 101/00 (2006.01) C08K 5/34 (2006.01) C08K 5/3435 (2006.01) C08L 23/10 (2006.01)

Patent

CA 2551013

The present invention is a free-radical carbon-FRTS-carbon crosslinkable polymeric composition. The resulting carbon-FRTS-carbon crosslinked polymer is prepared from at least one polymer which upon forming free radicals preferentially degrades or carbon-carbon crosslinks. The present invention permits suppression of the preferential reaction while permitting the polymer to be carbon-FRTS-carbon crosslinked through a free-radical trapping species. Suppressing the undesirable degradation or carbon-carbon crosslinking reaction and permitting the desirable carbon-FRTS-carbon crosslinking reaction yield a uniquely crosslinked polymer.

L'invention concerne une composition polymère réticulable du type carbone-FRTS-carbone à radicaux libres. Ledit polymère carbone-FRTS-carbone réticulé est préparé à partir d'au moins un polymère, qui lors de la formation des radicaux libres, de préférence, se dégrade ou est réticulé carbone-carbone. L'invention permet de supprimer la réaction préférentielle tout en permettant au polymère d'être réticulé carbone-FRTS-carbone par l'intermédiaire d'espèces de piégeage de radicaux libres. La suppression de la dégradation indésirable ou de la réticulation carbone-carbone et la possibilité d'une réaction de réticulation désirée carbone-FRTS-carbone produisent uniquement un polymère réticulé.

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